Home / 14,749.20-22,123.80-14,603.40

Finding the Fourth Proportional to 14,749.20, 22,123.80 and 14,603.40

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Solution

The fourth proportional to 14,749.20, 22,123.80 and 14,603.40 is: 21,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.20 : 22,123.80 = 14,603.40 : x
  2. Step 2: Convert to fraction form
    14,749.20/22,123.80 = 14,603.40/x
  3. Step 3: Cross multiply
    14,749.20x = 22,123.80 × 14,603.40
  4. Step 4: Simplify right side
    14,749.20x = 323,082,700.92
  5. Step 5: Solve for x
    x = 323,082,700.92/14,749.20
  6. Step 6: Final answer
    x = 21,905.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.